TILLER Russian patent published in 2009 - IPC A01B33/04 

FIELD: agriculture.

SUBSTANCE: present invention is meant for breaking up soil in greenhouses and seed beds. The tiller has an electric motor for actuating working and moving parts, two landing wheels, gearheads of working and moving parts, a worm screw and a V-belt variable-speed device. The driving pulley of the variable-speed gear is fixed on the shaft of the electric motor. The driven pulley of the variable-speed gear is fixed on a hollow shaft, hinged on a central shaft with possibility of regulating speed of movement on sections with different soil density. The worm screw is fixed on the hollow shaft. In the axial openings on the stationary part of the driving pulley of the V-belt variable-speed device there are push rods. Through a thread, a hand wheel is fitted on the tail shaft of the electric motor.

EFFECT: increased labour efficiency and quality of tilling due to increased reliability of operation of actuating elements of working parts.

2 dwg